Les adresses IP débutant par 121.9.128 sont fournies par ChinaNet, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.8.0.0/13, le bloc IP comprant les adresses de 121.8.0.0 à 121.15.255.255). Le numéro de système autonome (ASN) est 4134.
| ASN | 4134 |
| IP commençant par | 121.8.0.0 |
| IP se terminant par | 121.15.255.255 |
| Nom ASN | ChinaNet |
| CDIR | 121.8.0.0/13 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 15/10/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | CN | Chine | - | Foshan | 23,0268 | 113,1315 | 2019-07-20 |
| MaxMind | CN | Chine | - | Guangzhou | 23,1167 | 113,25 | 2019-07-20 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.9.128.0 | 2030665728 | 0 |
| 121.9.128.1 | 2030665729 | 0 |
| 121.9.128.2 | 2030665730 | 0 |
| 121.9.128.3 | 2030665731 | 0 |
| 121.9.128.4 | 2030665732 | 0 |
| 121.9.128.5 | 2030665733 | 0 |
| 121.9.128.6 | 2030665734 | 0 |
| 121.9.128.7 | 2030665735 | 0 |
| 121.9.128.8 | 2030665736 | 0 |
| 121.9.128.9 | 2030665737 | 0 |
| 121.9.128.10 | 2030665738 | 0 |
| 121.9.128.11 | 2030665739 | 0 |
| 121.9.128.12 | 2030665740 | 0 |
| 121.9.128.13 | 2030665741 | 0 |
| 121.9.128.14 | 2030665742 | 0 |
| 121.9.128.15 | 2030665743 | 0 |
| 121.9.128.16 | 2030665744 | 0 |
| 121.9.128.17 | 2030665745 | 0 |
| 121.9.128.18 | 2030665746 | 0 |
| 121.9.128.19 | 2030665747 | 0 |
| 121.9.128.20 | 2030665748 | 0 |
| 121.9.128.21 | 2030665749 | 0 |
| 121.9.128.22 | 2030665750 | 0 |
| 121.9.128.23 | 2030665751 | 0 |
| 121.9.128.24 | 2030665752 | 0 |
| 121.9.128.25 | 2030665753 | 0 |
| 121.9.128.26 | 2030665754 | 0 |
| 121.9.128.27 | 2030665755 | 0 |
| 121.9.128.28 | 2030665756 | 0 |
| 121.9.128.29 | 2030665757 | 0 |
| 121.9.128.30 | 2030665758 | 0 |
| 121.9.128.31 | 2030665759 | 0 |
| 121.9.128.32 | 2030665760 | 0 |
| 121.9.128.33 | 2030665761 | 0 |
| 121.9.128.34 | 2030665762 | 0 |
| 121.9.128.35 | 2030665763 | 0 |
| 121.9.128.36 | 2030665764 | 0 |
| 121.9.128.37 | 2030665765 | 0 |
| 121.9.128.38 | 2030665766 | 0 |
| 121.9.128.39 | 2030665767 | 0 |
| 121.9.128.40 | 2030665768 | 0 |
| 121.9.128.41 | 2030665769 | 0 |
| 121.9.128.42 | 2030665770 | 0 |
| 121.9.128.43 | 2030665771 | 0 |
| 121.9.128.44 | 2030665772 | 0 |
| 121.9.128.45 | 2030665773 | 0 |
| 121.9.128.46 | 2030665774 | 0 |
| 121.9.128.47 | 2030665775 | 0 |
| 121.9.128.48 | 2030665776 | 0 |
| 121.9.128.49 | 2030665777 | 0 |
| 121.9.128.50 | 2030665778 | 0 |
| 121.9.128.51 | 2030665779 | 0 |
| 121.9.128.52 | 2030665780 | 0 |
| 121.9.128.53 | 2030665781 | 0 |
| 121.9.128.54 | 2030665782 | 0 |
| 121.9.128.55 | 2030665783 | 0 |
| 121.9.128.56 | 2030665784 | 0 |
| 121.9.128.57 | 2030665785 | 0 |
| 121.9.128.58 | 2030665786 | 0 |
| 121.9.128.59 | 2030665787 | 0 |
| 121.9.128.60 | 2030665788 | 0 |
| 121.9.128.61 | 2030665789 | 0 |
| 121.9.128.62 | 2030665790 | 0 |
| 121.9.128.63 | 2030665791 | 0 |
| 121.9.128.64 | 2030665792 | 0 |
| 121.9.128.65 | 2030665793 | 0 |
| 121.9.128.66 | 2030665794 | 0 |
| 121.9.128.67 | 2030665795 | 0 |
| 121.9.128.68 | 2030665796 | 0 |
| 121.9.128.69 | 2030665797 | 0 |
| 121.9.128.70 | 2030665798 | 0 |
| 121.9.128.71 | 2030665799 | 0 |
| 121.9.128.72 | 2030665800 | 0 |
| 121.9.128.73 | 2030665801 | 0 |
| 121.9.128.74 | 2030665802 | 0 |
| 121.9.128.75 | 2030665803 | 0 |
| 121.9.128.76 | 2030665804 | 0 |
| 121.9.128.77 | 2030665805 | 0 |
| 121.9.128.78 | 2030665806 | 0 |
| 121.9.128.79 | 2030665807 | 0 |
| 121.9.128.80 | 2030665808 | 0 |
| 121.9.128.81 | 2030665809 | 0 |
| 121.9.128.82 | 2030665810 | 0 |
| 121.9.128.83 | 2030665811 | 0 |
| 121.9.128.84 | 2030665812 | 0 |
| 121.9.128.85 | 2030665813 | 0 |